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Finding the Fourth Proportional to 122,401.76, 183,621.14 and 43,497.23

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Solution

The fourth proportional to 122,401.76, 183,621.14 and 43,497.23 is: 65,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,401.76 : 183,621.14 = 43,497.23 : x
  2. Step 2: Convert to fraction form
    122,401.76/183,621.14 = 43,497.23/x
  3. Step 3: Cross multiply
    122,401.76x = 183,621.14 × 43,497.23
  4. Step 4: Simplify right side
    122,401.76x = 7,987,010,741.96
  5. Step 5: Solve for x
    x = 7,987,010,741.96/122,401.76
  6. Step 6: Final answer
    x = 65,252.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.